Re: [OT] Mime Headers / Meta-Tags
This WebDNA talk-list message is from 2003
It keeps the original formatting.
numero = 49604
interpreted = N
texte = Donovan home EHG wrote: > It seems when referring to Mime Headers one is referring to > what the server is able to send??All web servers send headers; the [setmimeheader] allows the programmer to add new headers to the server output. Try to connect to your server using a client like http://www.netdemon.net/or http://samspade.org/ssw/(sorry both Windows tools), and you will see this before your content:HTTP/1.0 200 OK MIME-Version: 1.0 Server: WebSTAR/2.1 ID/51489 Message-ID:
Last-Modified: Wed, 12 Feb 2003 22:15:38 GMT Content-type: text/html Content-length: 2510The server www.ehg.net is not necessarily going to be cacheable by browsers or caching devices, because it is not sending all of the possible MIME headers. See here for a more complete discussion: http://www.web-caching.com/mnot_tutorial/> > I'm not sure that they can't be called the same in some cases.. > for example, I've seen (in my brief searches) mention of > Expires Mime Header sent by the server. I've also seen mention > of the Expires Meta-Tag overriding the Mime headers.??The Expires meta-tag is a hint to the browser, nothing more. Some web servers (I believe the high end Netscape server did/does, but don't quote me) can be set so that if they see a meta-tag they can promote it to a MIME header. In any case, the meta-tag is never going to have the same weight for the browser as an actual MIME header.That being said, other meta-tags have some utility, but not as much as they used to. There was a time when web spiders were unsophisticated and could be tricked into ranking a page higher by using lots of meta-tags. This is largely no longer true; the spiders are much smarter and some even decrease the score for a page if it appears to be using meta-tags to excess. This site has lots of useful information, even with a non-paying guest account: http://www.searchenginewatch.com/HTHJohn-- John Peacock Director of Information Research and Technology Rowman & Littlefield Publishing Group 4501 Forbes Boulevard Suite H Lanham, MD 20706 301-459-3366 x.5010 fax 301-429-5748 ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
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Donovan home EHG wrote: > It seems when referring to Mime Headers one is referring to > what the server is able to send??All web servers send headers; the [setmimeheader] allows the programmer to add new headers to the server output. Try to connect to your server using a client like http://www.netdemon.net/or http://samspade.org/ssw/(sorry both Windows tools), and you will see this before your content:HTTP/1.0 200 OK MIME-Version: 1.0 Server: WebSTAR/2.1 ID/51489 Message-ID: Last-Modified: Wed, 12 Feb 2003 22:15:38 GMT Content-type: text/html Content-length: 2510The server www.ehg.net is not necessarily going to be cacheable by browsers or caching devices, because it is not sending all of the possible MIME headers. See here for a more complete discussion: http://www.web-caching.com/mnot_tutorial/> > I'm not sure that they can't be called the same in some cases.. > for example, I've seen (in my brief searches) mention of > Expires Mime Header sent by the server. I've also seen mention > of the Expires Meta-Tag overriding the Mime headers.??The Expires meta-tag is a hint to the browser, nothing more. Some web servers (I believe the high end Netscape server did/does, but don't quote me) can be set so that if they see a meta-tag they can promote it to a MIME header. In any case, the meta-tag is never going to have the same weight for the browser as an actual MIME header.That being said, other meta-tags have some utility, but not as much as they used to. There was a time when web spiders were unsophisticated and could be tricked into ranking a page higher by using lots of meta-tags. This is largely no longer true; the spiders are much smarter and some even decrease the score for a page if it appears to be using meta-tags to excess. This site has lots of useful information, even with a non-paying guest account: http://www.searchenginewatch.com/HTHJohn-- John Peacock Director of Information Research and Technology Rowman & Littlefield Publishing Group 4501 Forbes Boulevard Suite H Lanham, MD 20706 301-459-3366 x.5010 fax 301-429-5748 ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
John Peacock
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